Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492054 | Polymer electrolyte fuel cell including a water-retaining layer on a ribbed plate | Mitsuo Karakane, Takashi Yasuo, Yasunori Yoshimoto, Yasuo Miyake, Ikuo Yonezu +1 more | 2002-12-10 |
| 6471691 | Ophthalmic treatment apparatus | Koji Kobayashi, Toru Hirano, Hideaki Niwa, Akira Obana, Tokuhiko Miki | 2002-10-29 |
| 6383676 | Polymer electrolyte fuel cell device | Yukinori Akiyama, Takahiro Isono, Takaaki Matsubayashi, Yasuo Miyake, Ikuo Yonezu +1 more | 2002-05-07 |